diff options
Diffstat (limited to 'components')
| -rw-r--r-- | components/drivers/usb/usbdevice/class/mstorage.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/components/drivers/usb/usbdevice/class/mstorage.c b/components/drivers/usb/usbdevice/class/mstorage.c index 43fb25afe4..a681b8212f 100644 --- a/components/drivers/usb/usbdevice/class/mstorage.c +++ b/components/drivers/usb/usbdevice/class/mstorage.c @@ -426,7 +426,7 @@ static rt_size_t _read_capacity(ufunction_t func, ustorage_cbw_t cbw) data = (struct mstorage*)func->user_data; buf = data->ep_in->buffer; - sector_count = data->geometry.sector_count; + sector_count = data->geometry.sector_count - 1; /* Last Logical Block Address */ sector_size = data->geometry.bytes_per_sector; buf[0] = sector_count >> 24; |